Forum Discussion
kgaigl
Cirrocumulus
Cirrocumulushigh cpu usage independent from Traffic
Hello, we've recognised since a few weeks every day for about 4 hours from 9 to 13 very high cpu-usage on Control-Plane and Analysis-Plane. Overall concurrent Client-side connections between 1200 a...
Hi kgaigl ,
could you please have a look on ASM obfuscator Articles :
https://my.f5.com/manage/s/article/K12201682
https://my.f5.com/manage/s/article/K02827102If you realised that high Control plan CPU due to ASM Obfuscation process , that's not an issue or can cause a negative impact :
Below Article from the first KB I sent above " https://my.f5.com/manage/s/article/K12201682 "
- The obfuscation process consumes available resources with a lower priority. If more important processes need CPU/Memory the obfuscation is de-prioritized or will wait until resources are available.
Hi kgaigl ,
Follow this Article to troubleshoot on high CPU on your box :
https://community.f5.com/t5/technical-articles/troubleshooting-high-cpu-utilisation-on-big-ip-systems/ta-p/280806
by the way, don't rely on Concurrent connections in your calculations , you have to monitor the Data plane itself on the ( Even-Cores ) and see it's percentage.
>> use TOP command script on Bigip bash prompit , and see which process consumes much of CPU or send a snap shot form Top Command if you wish.